tinyMCE – XSS Vulnerability On Versions Between 5.0.0 And 5.1.4, On The Core Parser, Paste And visualcharts Plugins

Impact Area

Security

 

 

 

Severity

High

 

 

 

Affected Element

ServiceNow

UI Script

Salesforce

Static Resource

Rule number #

SN-JSL-TINYMCE-BETWEEN-V500-V514(for ServiceNow)

SF-JSL-TINYMCE-BETWEEN-V500-V514(for Salesforce)

Impact #

The vulnerability allowed arbitrary JavaScript execution when inserting a specially crafted piece of content into the editor via the clipboard or APIs.

Remediation #

Update tinyMCE to the latest version.

Time to fix #

30 min

References #

This rule is linked to Common Weakness Enumeration CWE-79 Improper Neutralization of Input During Web Page Generation (‘Cross-site Scripting’).

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